What is x-default?

A special hreflang value marking the fallback URL search engines should show when no specific language version matches the searcher.

In more depth

Point x-default at your primary-language page or a language selector. It prevents Google from guessing among your variants for unmatched locales.

Why it matters for your website

Understanding x-default helps you make better decisions when taking a WordPress site multilingual — from choosing URL structures and engines to controlling costs. Transxlate handles the mechanics (language URLs, lang attributes, caching, hreflang on Pro) so terms like this become settings, not engineering projects.

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